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1 vote
7,801 + blank = 4,890 + 7,801

User Yetti
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2 Answers

7 votes
you're just mirroring the equation here. the equation is the same on both sides; 7,801 + 4,890 = 4,890 + 7,801.
User TheQueenIsDead
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5 votes
4,890 it's commutative property
User Rashidah
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